Recent questions tagged chapter11

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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If the height of a cylinder becomes `1/4` of the original height and the radius is doubled, then which of the following will be

asked Jan 18, 2022 in 8th-maths by Arun (1.7k points)

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The surface area of the three coterminus faces of a cuboid are 6, 15 and 10 `cm^2` respectively. The volume of the cuboid

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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A regular hexagon is inscribed in a circle of radius r. The perimeter of the regular hexagon

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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The dimensions of a godown are 40 m, 25 m and 10 m. If it is filled with cuboidal boxes each of dimensions `2 m xx 1.25 m xx 1 m`, then the number of boxes will

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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The volume of a cube is 64 `cm^3`. Its surface area

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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If the radius of a cylinder is tripled but its curved surface area is unchanged, then its height will

asked Jan 18, 2022 in 8th-maths by sumit (1.6k points)

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How many small cubes with edge of 20 cm each can be just accommodated in a cubical box of 2 m

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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The volume of a cylinder whose radius r is equal to its height

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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The volume of a cube whose edge is 3x

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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The figure ABCD is a quadrilateral in which AB = CD and BC = AD. Its area is

asked Jan 18, 2022 in 8th-maths by nishit (1.8k points)

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What is the area of the rhombus ABCD below if AC = 6 cm, and BE = 4cm?

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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The area of a parallelogram is 60 `cm^2` and one of its altitude is 5 cm. The length of its corresponding side

asked Jan 18, 2022 in 8th-maths by Simran (1.8k points)

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The perimeter of a trapezium is 52 cm and its each non-parallel side is equal to 10 cm with its height 8 cm. Its area

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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Area of a quadrilateral ABCD is 20 `cm^2` and perpendiculars on BD from opposite vertices are 1 cm and 1.5 cm. The length of BD

asked Jan 18, 2022 in 8th-maths by nikhil (1.8k points)

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A metal sheet 27 cm long, 8 cm broad and 1 cm thick is melted into a cube. The side of the cube

asked Jan 18, 2022 in 8th-maths by uday (1.6k points)

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Three cubes of metal whose edges are 6 cm, 8 cm and 10 cm respectively are melted to form a single cube. The edge of the new cube

asked Jan 18, 2022 in 8th-maths by purvi (1.8k points)

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A covered wooden box has the inner measures as 115 cm, 75 cm and 35 cm and thickness of wood as 2.5 cm. The volume of the wood

asked Jan 18, 2022 in 8th-maths by krutika (1.7k points)

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The ratio of radii of two cylinders is 1: 2 and heights are in the ratio 2:3. The ratio of their volumes

asked Jan 18, 2022 in 8th-maths by vaibhav (1.7k points)

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Two cubes have volumes in the ratio 1:64. The ratio of the area of a face of first cube to that of the other

asked Jan 18, 2022 in 8th-maths by yogita (1.8k points)

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